{"thcode":4,"term":{"code":"1.10","name":"Silt","parent":"1","scope":"A loose aggregate of unlithified mineral or rock particles of silt size (1\/256 to 1\/16 mm); an unconsolidated deposit consisting essentially of fine-grained clastic particles."},"uf":[],"bt":[{"code":"1","name":"Unconsolidated material","parent":"0","scope":"A sediment that is loosely arranged or unstratified, or whose particles are not cemented together, found either at the surface or at depth."},{"code":"0","name":"Earth material","parent":null,"scope":"Geologic map unit classification (Bruce R. Johnson) version 6.2: A hierarchical classification of earth materials for digital geologic maps."}],"nt":[],"rt":[]}